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Study of the tolerance ofHippochaete ramosissimum to Cu stress

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Abstracts

We investigated the tolerance ofHippochaete ramosissimum and the changes in physiological metabolism following exposure to copper using pot experiments and analyzing plant physiology and biochemistry. The results showed that Cu tolerance inHippochaete ramosissimum varied significantly between different populations; the tolerance of plants living in Cu polluted areas for extended periods of time exceeded that of plants living in unpolluted areas. SOD and POD activities in highly Cu tolerant plants increased noticeably following exposure to Cu. This indicates that maintaining and increasing the two kinds of protective enzyme activities are the primary foundations of plant tolerance. However, no change in CAT activity was demonstrated following Cu exposure. In summary, there existed considerable differences in physiological metabolism between different populations ofHippochaete ramosissimum following exposure to Cu.

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Authors and Affiliations

  1. Biodiversity Research Center, Anhui Normal University, 241000, Wuhu, China

    Liu Dengyi, Ying Li, Ling Chu, Guanglin Wang & Lilong Wang

  2. The Provincial Key Laboratory of Conservation and Exploitation of Biological Resources in Anhui, 241000, Wuhu, China

    Liu Dengyi, Ying Li, Ling Chu, Guanglin Wang & Lilong Wang

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  1. Liu Dengyi
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  2. Ying Li
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  3. Ling Chu
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  4. Guanglin Wang
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  5. Lilong Wang
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Correspondence to Liu Dengyi.

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Liu, D., Li, Y., Chu, L. et al. Study of the tolerance ofHippochaete ramosissimum to Cu stress. Sci. China Ser. C.-Life Sci. 48 (Suppl 1), 150–155 (2005). https://doi.org/10.1007/BF02889813

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  • DOI: https://doi.org/10.1007/BF02889813

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